Vending machine



FIG. 1 is a perspective view of a vending machine;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, taken from the left side of FIG. 2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof, taken from the right side of FIG. 2; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a vending machine, as shown and described. 